| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
3.8%
|
| 0 | 7 |
8.8%
|
|
| 1 | 10 |
12.5%
|
|
| 2 | 12 |
15%
|
|
| 3 | 4 |
5%
|
|
| 4 | 10 |
12.5%
|
|
| 5 | 3 |
3.8%
|
|
| 6 | 3 |
3.8%
|
|
| 8 | 2 |
2.5%
|
|
| 10 | 3 |
3.8%
|
|
| 11 | 1 |
1.3%
|
|
| 12 | 1 |
1.3%
|
|
| 14 | 1 |
1.3%
|
|
| 17 | 1 |
1.3%
|
|
| 19 | 1 |
1.3%
|
|
| 20 | 2 |
2.5%
|
|
| 21 | 1 |
1.3%
|
|
| 26 | 1 |
1.3%
|
|
| 27 | 1 |
1.3%
|
|
| 30 | 1 |
1.3%
|
|
| 32 | 1 |
1.3%
|
|
| 35 | 1 |
1.3%
|
|
| 49 | 1 |
1.3%
|
|
| 55 | 1 |
1.3%
|
|
| 70 | 1 |
1.3%
|
|
| 75 | 2 |
2.5%
|
|
| 81 | 1 |
1.3%
|
|
| 100 | 1 |
1.3%
|
|
| 200 | 1 |
1.3%
|
|
| 220 | 1 |
1.3%
|
|
| 1800 | 1 |
1.3%
|
|
| Sysmiss | 160 |